Dr. Si Pham and Walter Amprey

Dr. Si Pham and Walter Amprey

Doug Kapustin, Baltimore Sun

Dr. Si Pham and patient Walter Amprey, chat in an exam room at the University of Maryland Medical Center. "I recognize I'm fortunate to be alive," Amprey said. “God has taken care of me so far -- God and Dr. Pham."

Dr. Si Pham and patient Walter Amprey, chat in an exam room at the University of Maryland Medical Center. "I recognize I'm fortunate to be alive," Amprey said. “God has taken care of me so far -- God and Dr. Pham." (Doug Kapustin, Baltimore Sun)

Dr. Si Pham and patient Walter Amprey, chat in an exam room at the University of Maryland Medical Center. "I recognize I'm fortunate to be alive," Amprey said. “God has taken care of me so far -- God and Dr. Pham."